diff --git a/static/themes/default/css/main.css b/static/themes/default/css/main.css
index c9b877e02..43882ee43 100644
--- a/static/themes/default/css/main.css
+++ b/static/themes/default/css/main.css
@@ -570,7 +570,7 @@ footer {
 
 .card-tags {
     font-weight: 400;
-    color: var(--bs-secondary);
+    color: var(--bs-secondary-color);
     font-size: 0.875rem;
 
     /* Show ellipsis after 3 lines. */